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ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:49 PM EDT

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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fostamatinib Clear all
Completed Phase 2 Interventional Results available

Study to Learn if 200mg Test Drug (Fostamatinib) Helps People With Large B-Cell Lymphoma,a Type of Blood Cancer

NCT01499303
View directory record Official record
Conditions
Diffuse Large B-Cell Lymphoma
Interventions
Fostamatinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
19
States / cities
Huntsville, Alabama • Denver, Colorado • New Haven, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 19, 2026, 1:49 PM EDT
Recruiting Phase 1 Interventional

Syk Inhibition in MItigating Lung Allograft Rejection (SIMILAR): A Trial to Evaluate the Safety and Tolerability of Fostamatinib in Lung Transplant Patients With Donor-Specific Antibodies

NCT06948097
View directory record Official record
Conditions
Lung Transplantation
Interventions
fostamatinib, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Stanford, California • Baltimore, Maryland • Salt Lake City, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 19, 2026, 1:49 PM EDT
Terminated No phase listed Observational

Observational Study of Fostamatinib as Second Line Therapy in Adult Patients With Immune Thrombocytopenia (ITP) and Insufficient Response to a Prior Therapy

NCT04904276
View directory record Official record
Conditions
ITP, Immune Thrombocytopenia
Interventions
Fostamatinib
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
14
States / cities
Tamarac, Florida • Springfield, Illinois • Kansas City, Kansas + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 19, 2026, 1:49 PM EDT
Terminated Phase 2 Interventional Results available

Evaluation of Efficacy and Safety of Fostamatinib Monotherapy Compared With Adalimumab Monotherapy in Patients With Rheumatoid Arthritis (RA)

NCT01264770
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Fostamatinib and placebo injections, Adalimumab and placebo of fostamatinib, Placebo of fostamatinib, fostamatinib, and placebo injections
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
644 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
40
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability, and Blood and Urine Drug Levels of Fostamatinib Disodium (FosD) in Healthy Japanese and White Subjects

NCT01167868
View directory record Official record
Conditions
Healthy
Interventions
FosD, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
20 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of R935788 Tablets to Treat Rheumatoid Arthritis

NCT00665925
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Fostamatinib disodium (R935788), Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
24
States / cities
La Jolla, California • Palm Desert, California • Hamden, Connecticut + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2016 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Fostamatinib Disodium Tablets to Treat T-Cell Lymphoma

NCT00798096
View directory record Official record
Conditions
T Cell Lymphoma
Interventions
Fostamatinib Disodium
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
San Francisco, California • Stanford, California • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Fostamatinib for Hospitalized Adults With COVID-19

NCT04579393
View directory record Official record
Conditions
Coronavirus Disease 2019
Interventions
Placebo, fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Bethesda, Maryland • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional

Fostamatinib for the Treatment of Lower-risk Myelodysplastic Syndromes or Chronic Myelomonocytic Leukemia Who Have Failed Therapy With Hypomethylating Agents

NCT05030675
View directory record Official record
Conditions
Refractory Chronic Myelomonocytic Leukemia, Refractory Myelodysplastic Syndrome
Interventions
Fostamatinib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 3 Interventional Results available

Open Label Study of R788 in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)

NCT02077192
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Fostamatinib Disodium
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
9
States / cities
Tucson, Arizona • Peoria, Illinois • Lafayette, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 19, 2026, 1:49 PM EDT
Recruiting Phase 1 Interventional

Ruxolitinib Plus Fostamatinib for Steroid Refractory cGvHD

NCT06233110
View directory record Official record
Conditions
Chronic Graft Versus Host Disease
Interventions
Fostamatinib, Ruxolitinib
Drug
Lead sponsor
Stefanie Sarantopoulos, MD, PhD.
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Novel Experimental COVID-19 Therapies Affecting Host Response

NCT04924660
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection, Coronavirus Infection
Interventions
TXA127, TRV027, Placebo, Fostamatinib
Drug
Lead sponsor
Sean Collins
Other
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
51
States / cities
Birmingham, Alabama • Chandler, Arizona • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study in Healthy Males to Assess the Bioavailability of 4 Different Fostamatinib Tablets

NCT01387308
View directory record Official record
Conditions
Healthy
Interventions
Fostamatinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2011 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Administration of Fostamatinib on Blood Concentrations of Rifampicin in Healthy Subjects.

NCT01336218
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Volunteers
Interventions
fostamatinib, rifampicin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 19, 2026, 1:49 PM EDT
Terminated Phase 3 Interventional Results available

Evaluation of Long-term Safety and Effectiveness of Fostamatinib in the Treatment of Rheumatoid Arthritis (RA)

NCT01242514
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Fostamatinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
1,917 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
116
States / cities
Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 113 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2014 · Synced Oct 19, 2026, 1:49 PM EDT
Recruiting Phase 1 Interventional

Perioperative Fostamatinib With Gemcitabine and Nab-paclitaxel in Resectable Pancreatic Cancer

NCT06639724
View directory record Official record
Conditions
Pancreatic Ductal Adenocarcinoma (PDAC)
Interventions
Fostamatinib in combination with chemotherapy (gemcitabine and nab-paclitaxel)
Combination Product
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 19, 2026, 1:49 PM EDT
Withdrawn Phase 2 Interventional

Extension Study (Extended Access) of Syk-inhibition Using Fostamatinib to Treat Posttransplant Immune-mediated Cytopenias

NCT05509582
View directory record Official record
Conditions
Immune Mediated Anemia, Immune Mediated Thrombocytopenia, Chronic GVHD
Interventions
fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of R935788 Tablets to Treat Rheumatoid Arthritis (Taski-3)

NCT00665626
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Fostamatinib disodium (R935788), Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
27
States / cities
Aventura, California • Palm Desert, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Oct 19, 2026, 1:49 PM EDT
Recruiting Phase 1 Interventional

Study to Evaluate the Safety and Tolerability of Escalating Doses of Fostamatinib in Subjects With Stable Sickle Cell Disease

NCT05904093
View directory record Official record
Conditions
Sickle Cell Disorders, Sickle Cell Disease, Hemoglobin S, Hb-SS Disease, Disease Sickle Cell Anemia
Interventions
Fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

A Broad Multi-histology Phase II Study of the Multi-Kinase Inhibitor R935788 (Fostamatinib Disodium) in Advanced Colorectal, Non-small Cell Lung, Head and Neck Hepatocellular and Renal Cell Carcinomas, and Pheochromocytoma and Thyroid Tumors (Multi-H...

NCT00923481
View directory record Official record
Conditions
Head and Neck Neoplasms, Pheochromocytoma, Colorectal Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell
Interventions
Fostamatinib disodium
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2015 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 2 Interventional Results available

Study of the Effect of Fostamatinib Twice Daily on Blood Pressure in Patients With Rheumatoid Arthritis

NCT01563978
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
fostamatinib, placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
30
States / cities
Huntsville, Alabama • Huntington Beach, California • Santa Maria, California + 27 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Oct 19, 2026, 1:49 PM EDT
Enrolling by invitation Phase 3 Interventional

A Phase 3 Open Label Extension Study of Fostamatinib Disodium in the Treatment of Warm Antibody Autoimmune Hemolytic Anemia

NCT04138927
View directory record Official record
Conditions
Warm Antibody Autoimmune Hemolytic Anemia
Interventions
Fostamatinib disodium
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
8
States / cities
Los Angeles, California • Torrance, California • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional

Evaluation of Fostamatinib in Patients With cGVHD After Allogeneic Stem Cell Transplant

NCT02611063
View directory record Official record
Conditions
Hematological Malignancies
Interventions
fostamatinib
Drug
Lead sponsor
Stefanie Sarantopoulos, MD, PhD.
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 17, 2023 · Synced Oct 19, 2026, 1:49 PM EDT
Completed Phase 1 Interventional Results available

Clinical Trial of Combined Fostamatinib and Paclitaxel in Ovarian Cancer

NCT03246074
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Fostamatinib 100 mg bid and Paclitaxel, Fostamatinib 150 mg bid and Paclitaxel, Fostamatinib 200 mg bid and Paclitaxel
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Oct 19, 2026, 1:49 PM EDT